r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/tty/ldiscs\x00', 0x0, 0x0)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
preadv2(r0, 0x0, 0x0, 0x0, 0x0, 0x0)